/
test_document_fragment.rb
514 lines (429 loc) · 19.2 KB
/
test_document_fragment.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
# -*- coding: utf-8 -*-
# frozen_string_literal: true
require "helper"
module Nokogiri
module HTML
class TestDocumentFragment < Nokogiri::TestCase
describe Nokogiri::HTML::DocumentFragment do
let(:html) { Nokogiri::HTML.parse(File.read(HTML_FILE), HTML_FILE) }
def test_ascii_8bit_encoding
s = +"hello"
s.force_encoding(::Encoding::ASCII_8BIT)
assert_equal("hello", Nokogiri::HTML::DocumentFragment.parse(s).to_html)
end
def test_inspect_encoding
fragment = "<div>こんにちは!</div>".encode("EUC-JP")
f = Nokogiri::HTML::DocumentFragment.parse(fragment)
assert_equal("こんにちは!", f.content)
end
def test_html_parse_encoding
fragment = "<div>こんにちは!</div>".encode("EUC-JP")
f = Nokogiri::HTML.fragment(fragment)
assert_equal("EUC-JP", f.document.encoding)
assert_equal("こんにちは!", f.content)
end
def test_unlink_empty_document
frag = Nokogiri::HTML::DocumentFragment.parse("").unlink # must_not_raise
assert_nil(frag.parent)
end
def test_colons_are_not_removed
doc = Nokogiri::HTML::DocumentFragment.parse("<span>3:30pm</span>")
assert_match(/3:30/, doc.to_s)
end
def test_parse_encoding
fragment = "<div>hello world</div>"
f = Nokogiri::HTML::DocumentFragment.parse(fragment, "ISO-8859-1")
assert_equal("ISO-8859-1", f.document.encoding)
assert_equal("hello world", f.content)
end
def test_html_parse_with_encoding
fragment = "<div>hello world</div>"
f = Nokogiri::HTML.fragment(fragment, "ISO-8859-1")
assert_equal("ISO-8859-1", f.document.encoding)
assert_equal("hello world", f.content)
end
def test_parse_in_context
assert_equal("<br>", html.root.parse("<br />").to_s)
end
def test_inner_html=
fragment = Nokogiri::HTML.fragment("<hr />")
fragment.inner_html = "hello"
assert_equal("hello", fragment.inner_html)
end
def test_ancestors_search
html = <<~EOF
<div>
<ul>
<li>foo</li>
</ul>
</div>
EOF
fragment = Nokogiri::HTML.fragment(html)
li = fragment.at("li")
assert(li.matches?("li"))
end
def test_fun_encoding
string = %(<body>こんにちは</body>)
html = Nokogiri::HTML::DocumentFragment.parse(
string
).to_html(encoding: "UTF-8")
assert_equal(string, html)
end
def test_new
assert(Nokogiri::HTML::DocumentFragment.new(html))
end
def test_body_fragment_should_contain_body
fragment = Nokogiri::HTML::DocumentFragment.parse(" <body><div>foo</div></body>")
assert_match(/^<body>/, fragment.to_s)
end
def test_nonbody_fragment_should_not_contain_body
fragment = Nokogiri::HTML::DocumentFragment.parse("<div>foo</div>")
assert_match(/^<div>/, fragment.to_s)
end
def test_fragment_should_have_document
fragment = Nokogiri::HTML::DocumentFragment.new(html)
assert_equal(html, fragment.document)
end
def test_empty_fragment_should_be_searchable_by_css
fragment = Nokogiri::HTML.fragment("")
assert_equal(0, fragment.css("a").size)
end
def test_empty_fragment_should_be_searchable
fragment = Nokogiri::HTML.fragment("")
assert_equal(0, fragment.search("//a").size)
end
def test_name
fragment = Nokogiri::HTML::DocumentFragment.new(html)
assert_equal("#document-fragment", fragment.name)
end
def test_static_method
fragment = Nokogiri::HTML::DocumentFragment.parse("<div>a</div>")
assert_instance_of(Nokogiri::HTML::DocumentFragment, fragment)
end
def test_many_fragments
100.times { Nokogiri::HTML::DocumentFragment.new(html) }
end
def test_html_fragment
fragment = Nokogiri::HTML.fragment("<div>a</div>")
assert_equal("<div>a</div>", fragment.to_s)
end
def test_html_fragment_has_outer_text
doc = "a<div>b</div>c"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
if Nokogiri.uses_libxml?("<= 2.6.16")
assert_equal("a<div>b</div><p>c</p>", fragment.to_s)
else
assert_equal("a<div>b</div>c", fragment.to_s)
end
end
def test_html_fragment_case_insensitivity
doc = "<Div>b</Div>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<div>b</div>", fragment.to_s)
end
def test_html_fragment_with_leading_whitespace
doc = " <div>b</div> "
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_match(%r% <div>b</div> *%, fragment.to_s)
end
def test_html_fragment_with_leading_whitespace_and_newline
doc = " \n<div>b</div> "
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_match(%r% \n<div>b</div> *%, fragment.to_s)
end
def test_html_fragment_with_input_and_intermediate_whitespace
doc = "<label>Label</label><input type=\"text\"> <span>span</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<label>Label</label><input type=\"text\"> <span>span</span>", fragment.to_s)
end
def test_html_fragment_with_leading_text_and_newline
fragment = HTML::Document.new.fragment("First line\nSecond line<br>Broken line")
assert_equal("First line\nSecond line<br>Broken line", fragment.to_s)
end
def test_html_fragment_with_leading_whitespace_and_text_and_newline
fragment = HTML::Document.new.fragment(" First line\nSecond line<br>Broken line")
assert_equal(" First line\nSecond line<br>Broken line", fragment.to_s)
end
def test_html_fragment_with_leading_entity
failed = ""test<br/>test""
fragment = Nokogiri::HTML::DocumentFragment.parse(failed)
assert_equal('"test<br>test"', fragment.to_html)
end
def test_to_s
doc = "<span>foo<br></span><span>bar</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<span>foo<br></span><span>bar</span>", fragment.to_s)
end
def test_to_html
doc = "<span>foo<br></span><span>bar</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<span>foo<br></span><span>bar</span>", fragment.to_html)
end
def test_to_xhtml
doc = "<span>foo<br></span><span>bar</span><p></p>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
if Nokogiri.jruby? || Nokogiri.uses_libxml?(">= 2.7.0")
assert_equal("<span>foo<br /></span><span>bar</span><p></p>", fragment.to_xhtml)
else
# FIXME: why are we doing this ? this violates the spec,
# see http://www.w3.org/TR/xhtml1/#C_2
assert_equal("<span>foo<br></span><span>bar</span><p></p>", fragment.to_xhtml)
end
end
def test_to_xml
doc = "<span>foo<br></span><span>bar</span>"
fragment = Nokogiri::HTML::Document.new.fragment(doc)
assert_equal("<span>foo<br/></span><span>bar</span>", fragment.to_xml)
end
def test_fragment_script_tag_with_cdata
doc = HTML::Document.new
fragment = doc.fragment("<script>var foo = 'bar';</script>")
assert_equal("<script>var foo = 'bar';</script>",
fragment.to_s)
end
def test_fragment_with_comment
doc = HTML::Document.new
fragment = doc.fragment("<p>hello<!-- your ad here --></p>")
assert_equal("<p>hello<!-- your ad here --></p>",
fragment.to_s)
end
def test_element_children_counts
if Nokogiri.uses_libxml?("<= 2.9.1")
skip("#elements doesn't work in 2.9.1, see 1793a5a for history")
end
doc = Nokogiri::HTML::DocumentFragment.parse(" <div> </div>\n ")
assert_equal(1, doc.element_children.count)
end
def test_malformed_fragment_is_corrected
fragment = HTML::DocumentFragment.parse("<div </div>")
assert_equal("<div></div>", fragment.to_s)
end
def test_unclosed_script_tag
# see GH#315
fragment = HTML::DocumentFragment.parse("foo <script>bar")
assert_equal("foo <script>bar</script>", fragment.to_html)
end
def test_error_propagation_on_fragment_parse
frag = Nokogiri::HTML::DocumentFragment.parse("<hello>oh, hello there.</hello>")
assert(frag.errors.any? { |err| err.to_s.include?("Tag hello invalid") }, "errors should be copied to the fragment")
end
def test_error_propagation_on_fragment_parse_in_node_context
doc = Nokogiri::HTML::Document.parse("<html><body><div></div></body></html>")
context_node = doc.at_css("div")
frag = Nokogiri::HTML::DocumentFragment.new(doc, "<hello>oh, hello there.</hello>", context_node)
assert(frag.errors.any? do |err|
err.to_s.include?("Tag hello invalid")
end, "errors should be on the context node's document")
end
def test_error_propagation_on_fragment_parse_in_node_context_should_not_include_preexisting_errors
doc = Nokogiri::HTML::Document.parse("<html><body><div></div><jimmy></jimmy></body></html>")
assert(doc.errors.any? { |err| err.to_s.include?("jimmy") }, "assert on setup")
context_node = doc.at_css("div")
frag = Nokogiri::HTML::DocumentFragment.new(doc, "<hello>oh, hello there.</hello>", context_node)
assert(frag.errors.any? do |err|
err.to_s.include?("Tag hello invalid")
end, "errors should be on the context node's document")
assert(frag.errors.none? do |err|
err.to_s.include?("jimmy")
end, "errors should not include pre-existing document errors")
end
def test_capturing_nonparse_errors_during_fragment_clone
# see https://github.com/sparklemotion/nokogiri/issues/1196 for background
original = Nokogiri::HTML.fragment("<div id='unique'></div><div id='unique'></div>")
original_errors = original.errors.dup
copy = original.dup
assert_equal(original_errors, copy.errors)
end
def test_capturing_nonparse_errors_during_node_copy_between_fragments
# Errors should be emitted while parsing only, and should not change when moving nodes.
frag1 = Nokogiri::HTML.fragment("<diva id='unique'>one</diva>")
frag2 = Nokogiri::HTML.fragment("<dive id='unique'>two</dive>")
node1 = frag1.at_css("#unique")
node2 = frag2.at_css("#unique")
original_errors1 = frag1.errors.dup
original_errors2 = frag2.errors.dup
assert(original_errors1.any? { |e| e.to_s.include?("Tag diva invalid") }, "it should complain about the tag name")
assert(original_errors2.any? { |e| e.to_s.include?("Tag dive invalid") }, "it should complain about the tag name")
node1.add_child(node2)
assert_equal(original_errors1, frag1.errors)
assert_equal(original_errors2, frag2.errors)
end
def test_dup_should_create_an_html_document_fragment
# https://github.com/sparklemotion/nokogiri/issues/1846
original = Nokogiri::HTML::DocumentFragment.parse("<div><p>hello</p></div>")
duplicate = original.dup
assert_instance_of(Nokogiri::HTML::DocumentFragment, duplicate)
end
describe "parse options" do
let(:html4_default) do
Nokogiri::XML::ParseOptions.new(Nokogiri::XML::ParseOptions::DEFAULT_HTML)
end
let(:html4_strict) do
Nokogiri::XML::ParseOptions.new(Nokogiri::XML::ParseOptions::DEFAULT_HTML).norecover
end
let(:input) { "<div>foo</div" }
it "sets the test up correctly" do
assert(html4_strict.strict?)
end
describe "HTML4.fragment" do
it "has sane defaults" do
frag = Nokogiri::HTML4.fragment(input)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4.fragment(input, nil, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4.fragment(input, nil, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4.fragment(input) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4.fragment(input) do |config|
config.norecover
end
end
end
end
describe "HTML4::DocumentFragment.parse" do
it "has sane defaults" do
frag = Nokogiri::HTML4::DocumentFragment.parse(input)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4::DocumentFragment.parse(input, nil, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.parse(input, nil, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4::DocumentFragment.parse(input) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.parse(input) do |config|
config.norecover
end
end
end
end
describe "HTML4::DocumentFragment.new" do
describe "without a context node" do
it "has sane defaults" do
frag = Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input, nil, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input, nil, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(Nokogiri::HTML4::Document.new, input) do |config|
config.norecover
end
end
end
end
describe "with a context node" do
let (:document) { Nokogiri::HTML4::Document.parse("<context></context>") }
let (:context_node) { document.at_css("context") }
it "has sane defaults" do
frag = Nokogiri::HTML4::DocumentFragment.new(document, input, context_node)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
end
it "accepts options" do
frag = Nokogiri::HTML4::DocumentFragment.new(document, input, context_node, html4_default)
assert_equal("<div>foo</div>", frag.to_html)
refute_empty(frag.errors)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(document, input, context_node, html4_strict)
end
end
it "takes a config block" do
default_config = nil
Nokogiri::HTML4::DocumentFragment.new(document, input, context_node) do |config|
default_config = config
end
refute(default_config.strict?)
assert_raises(Nokogiri::SyntaxError) do
Nokogiri::HTML4::DocumentFragment.new(document, input, context_node) do |config|
config.norecover
end
end
end
end
end
end
describe "subclassing" do
let(:klass) do
Class.new(Nokogiri::HTML::DocumentFragment) do
attr_accessor :initialized_with, :initialized_count
def initialize(*args)
super
@initialized_with = args
@initialized_count ||= 0
@initialized_count += 1
end
end
end
describe ".new" do
it "returns an instance of the right class" do
fragment = klass.new(html, "<div>a</div>")
assert_instance_of(klass, fragment)
end
it "calls #initialize exactly once" do
fragment = klass.new(html, "<div>a</div>")
assert_equal(1, fragment.initialized_count)
end
it "passes args to #initialize" do
fragment = klass.new(html, "<div>a</div>")
assert_equal([html, "<div>a</div>"], fragment.initialized_with)
end
end
it "#dup returns the expected class" do
doc = klass.new(html, "<div>a</div>").dup
assert_instance_of(klass, doc)
end
describe ".parse" do
it "returns an instance of the right class" do
fragment = klass.parse("<div>a</div>")
assert_instance_of(klass, fragment)
end
it "calls #initialize exactly once" do
fragment = klass.parse("<div>a</div>")
assert_equal(1, fragment.initialized_count)
end
it "passes the fragment" do
fragment = klass.parse("<div>a</div>")
assert_equal(Nokogiri::HTML::DocumentFragment.parse("<div>a</div>").to_s, fragment.to_s)
end
end
end
end
end
end
end